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1954 AMC 12 Question 32

AMC12 · 1954 AMC 12

Question 32

The factors of $x^4+64$ are:
  1. $(x^2+8)^2$
  2. $(x^2+8)(x^2-8)$
  3. $(x^2+2x+4)(x^2-8x+16)$
  4. $(x^2-4x+8)(x^2-4x-8)$
  5. $(x^2-4x+8)(x^2+4x+8)$